body{
    padding-bottom: 1rem;
}
.box-1{
    width: 6rem;
    height: 2.4rem;
    background-image: url("../images/index-img-1.png");
    background-size: 100% 100%;
    margin: 0.2rem auto;
}
.box-2{
    width: 6rem;
    height: 2.4rem;
    background-image: url("../images/index-img-2.png");
    background-size: 100% 100%;
    margin: 0.2rem auto;
}
.box-3{
    width: 5.6rem;
    margin: 1.2rem auto 0;
}
.box-4{
    width: 100vw;
    height: 1rem;
    position: fixed;
    bottom: 0;
    z-index: 999;
    box-shadow: -3px 2px 20px 0px rgba(0, 0, 0, 0.53);
    background-color: #fff;
}
.f-28{
    font-size: 0.28rem;
}
.f-24{
    font-size: 0.24rem;
}
.c-fff{
    color: #fff;
}
.pt80{
    padding-top: 0.8rem;
}
.pl230{
    padding-left: 2.3rem;
}
.c-333{
    color: #333;
}
.img img{
    width: 1.65rem;
    height: 1.65rem;
}
.mb30{
    margin-bottom: 0.3rem;
}
.box-4 button{
    width: 5.8rem;
	height: 0.6rem;
	background-color: #5a7af6;
	box-shadow: 3px 4px 9px 2px 
		rgba(90, 122, 246, 0.45);
    border-radius: 0.3rem;
    border: none;
    outline: none;
}